Home / 842,031,469.42-1,263,133,832.40-317,842,104.58

Finding the Fourth Proportional to 842,031,469.42, 1,263,133,832.40 and 317,842,104.58

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Solution

The fourth proportional to 842,031,469.42, 1,263,133,832.40 and 317,842,104.58 is: 476,795,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,031,469.42 : 1,263,133,832.40 = 317,842,104.58 : x
  2. Step 2: Convert to fraction form
    842,031,469.42/1,263,133,832.40 = 317,842,104.58/x
  3. Step 3: Cross multiply
    842,031,469.42x = 1,263,133,832.40 × 317,842,104.58
  4. Step 4: Simplify right side
    842,031,469.42x = 401,477,115,656,217,024
  5. Step 5: Solve for x
    x = 401,477,115,656,217,024/842,031,469.42
  6. Step 6: Final answer
    x = 476,795,856.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.